Home Postcode finder VIC Hallam Hallam postcode VIC Hallam is a locality in Victoria covered by postcode 3803. Postcode 3803 State or territory Victoria (VIC) Region Dandenong Add a free Hallam business listing More business listings in Hallam Businesses in Hallam4X4 Off road Clinic87 Hallam South Road, Hallam VIC 3803, Australia · (03)9702 4820A1 WindscreensMelverton Drive · 03 87957400Alltek IndustriesFactory 2 75 Star Crescent · (03) 9708 6055 Common questionsWhat is the postcode for Hallam?Hallam, VIC has the postcode 3803.What state is Hallam in?Hallam is in Victoria (VIC).Does postcode 3803 cover more than one suburb?No. Postcode 3803 covers Hallam only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.